Compare 971 vs 2591
| Property | 971 | 2591 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9711 | 25911 |
| Prime factorization | 971 | 2591 |
| Divisors count | 2 | 2 |
| Divisors | 1, 971 | 1, 2591 |
| Number of properties | 11 | 6 |
| Additive primes | 87th | 198th |
| Chen primes | 112th | 228th |
| Class 1+ primes | 19th | 21st |
| Cousin primes (2nd member) | 41st | |
| Emirps | 34th | |
| Isolated primes | 95th | |
| Long primes | 58th | |
| Pierpont primes of the 2nd kind | 19th | 21st |
| Primes | 164th | 377th |
| Sexy primes (1st member) | 72nd | |
| Sexy prime triplets (1st member) | 28th | |
| Twin primes (1st member) | 74th | |
| Roman numberals | CMLXXI | MMDXCI |
| Base 2 | 11110010112 | 1010000111112 |
| Base 3 | 10222223 | 101122223 |
| Base 4 | 330234 | 2201334 |
| Base 5 | 123415 | 403315 |
| Base 6 | 42556 | 155556 |
| Base 7 | 25557 | 103617 |
| Base 8 | 17138 | 50378 |
| Base 9 | 12889 | 34889 |
| Base 10 | 97110 | 259110 |
| Base 11 | 80311 | 1a4611 |
| Base 12 | 68b12 | 15bb12 |
| Base 13 | 59913 | 124413 |
| Base 14 | 4d514 | d3114 |
| Base 15 | 44b15 | b7b15 |
| Base 16 | 3cb16 | a1f16 |